From: Muchun Song <songmuchun@bytedance.com>
To: Miaohe Lin <linmiaohe@huawei.com>
Cc: akpm@linux-foundation.org, david@redhat.com, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 3/3] mm/swap: remove swap_cache_info statistics
Date: Mon, 20 Jun 2022 17:30:23 +0800 [thread overview]
Message-ID: <YrA+LyiEkgKRGu12@FVFYT0MHHV2J.usts.net> (raw)
In-Reply-To: <20220608144031.829-4-linmiaohe@huawei.com>
On Wed, Jun 08, 2022 at 10:40:31PM +0800, Miaohe Lin wrote:
> swap_cache_info are not statistics that could be easily used to tune system
> performance because they are not easily accessile. Also they can't provide
> really useful info when OOM occurs. Remove these statistics can also help
> mitigate unneeded global swap_cache_info cacheline contention.
>
> Suggested-by: David Hildenbrand <david@redhat.com>
> Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Thanks.
next prev parent reply other threads:[~2022-06-20 9:30 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-08 14:40 [PATCH v2 0/3] A few cleanup and fixup patches for swap Miaohe Lin
2022-06-08 14:40 ` [PATCH v2 1/3] mm/swapfile: make security_vm_enough_memory_mm() work as expected Miaohe Lin
2022-06-17 7:33 ` David Hildenbrand
2022-06-18 2:43 ` Miaohe Lin
2022-06-18 7:10 ` David Hildenbrand
2022-06-18 7:31 ` Miaohe Lin
2022-06-20 7:31 ` Huang, Ying
2022-06-20 12:12 ` Miaohe Lin
2022-06-21 1:35 ` Huang, Ying
2022-06-21 7:37 ` Miaohe Lin
2022-06-21 7:42 ` Huang, Ying
2022-06-21 8:20 ` Miaohe Lin
2022-06-08 14:40 ` [PATCH v2 2/3] mm/swapfile: fix possible data races of inuse_pages Miaohe Lin
2022-06-20 7:54 ` Huang, Ying
2022-06-20 9:04 ` Miaohe Lin
2022-06-20 9:23 ` Muchun Song
2022-06-20 12:23 ` Miaohe Lin
2022-06-20 12:32 ` Miaohe Lin
2022-06-20 13:46 ` Qian Cai
2022-06-20 14:20 ` Muchun Song
2022-06-20 21:36 ` Qian Cai
2022-06-21 1:14 ` Huang, Ying
2022-06-21 3:39 ` Muchun Song
2022-06-21 6:40 ` Miaohe Lin
2022-06-08 14:40 ` [PATCH v2 3/3] mm/swap: remove swap_cache_info statistics Miaohe Lin
2022-06-08 15:16 ` David Hildenbrand
2022-06-20 8:08 ` Huang, Ying
2022-06-20 9:05 ` Miaohe Lin
2022-06-20 9:30 ` Muchun Song [this message]
2022-06-17 2:37 ` [PATCH v2 0/3] A few cleanup and fixup patches for swap Andrew Morton
2022-06-17 3:00 ` Miaohe Lin
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